Mazda MX-3 silhouetteMX-3

ANTI-LOCK BRAKE SYSTEM

P-63prose procedure

Main fuse block layout differs between K8 (1.8L V6) and B6 (1.6L I4) engines.

Check solenoid valve at ABS hydraulic unit

  1. 1
    Disconnect the ABS hydraulic unit connector (6 pin).
    ABS hydraulic unit 6-pin connector face view showing terminal layout. Top row: 4a, 4c, 4e; bottom row: 4b, 4d, 4f.
  2. 2
    Measure the resistance between following terminals. 4f-4a, 4b; 4e-4c, 4d
  3. 3
    If not as specified, check the ABS hydraulic unit wiring harness or replace the ABS hydraulic unit if necessary.
Resistancebetween terminals 4f-4a/4b and 4e-4c/4d
approx. 3Ω

Check fuse

Check the fuses according to the following table. If a fuse is burned, replace it.

Fuse check

ABS PUMP
Rating (Amp)60
LocationMain fuse box
Failure conditionABS warning light illuminates (Diagnostic trouble code 51 or 53); ABS motor and solenoid valves do not operate
Refer toP-58, 59
MAIN
Rating (Amp)100
LocationMain fuse box
Failure conditionEngine does not start
Refer to
ABS
Rating (Amp)10
LocationFuse panel (at driver's side)
Failure conditionABS warning light illuminates after engine started; ABS control module not activated
Refer to
STOP
Rating (Amp)20
LocationFuse panel (at driver's side)
Failure conditionBrake light does not illuminate
Refer to
METER
Rating (Amp)15
LocationFuse panel (at driver's side)
Failure conditionABS warning light does not illuminate
Refer to

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